The invention relates to a household dispersed multi-meter collection system mounting method. The method comprises the following steps: according to the type of a courts substation, mounting a concentrator on the inner side or the outer side of the courts substation, or near a total fuse wire box closest to the courts substation; if there is not less than 2 electric meter boxes within a range having a diameter of 20m, a collector and a protocol converter are mounted in or near an electric meter box at a proper position, and otherwise, a collector or a protocol converter is installed in each electric meter box; the concentrator is connected with the collector or the protocol converter via an RS485 bus or a power line carrier, and the meters are connected to the collector or the concentrator through the RS485 bus, and the water meters and the gas meters are connected to the collector or the concentrator through M-Bus buses. Compared with the prior art, the household dispersed multi-meter collection system mounting method has the advantages of realizing the unified collection and management of electricity, water and gas data of scattered houses, and saving the manpower.